Home / 20,217,681.24-27,900,398.64-10,925,255.46

Finding the Fourth Proportional to 20,217,681.24, 27,900,398.64 and 10,925,255.46

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Solution

The fourth proportional to 20,217,681.24, 27,900,398.64 and 10,925,255.46 is: 15,076,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217,681.24 : 27,900,398.64 = 10,925,255.46 : x
  2. Step 2: Convert to fraction form
    20,217,681.24/27,900,398.64 = 10,925,255.46/x
  3. Step 3: Cross multiply
    20,217,681.24x = 27,900,398.64 × 10,925,255.46
  4. Step 4: Simplify right side
    20,217,681.24x = 304,818,982,577,836.62
  5. Step 5: Solve for x
    x = 304,818,982,577,836.62/20,217,681.24
  6. Step 6: Final answer
    x = 15,076,851.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.